GNU Radio 2.x: gr_random.h Source File

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# gr_random.h

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    00001 /* -*- c++ -*- */
    00002 /*
    00003  * Copyright 2002 Free Software Foundation, Inc.
    00004  *
    00005  * This file is part of GNU Radio
    00006  *
    00007  * GNU Radio is free software; you can redistribute it and/or modify
    00008  * it under the terms of the GNU General Public License as published by
    00009  * the Free Software Foundation; either version 2, or (at your option)
    00010  * any later version.
    00011  *
    00012  * GNU Radio is distributed in the hope that it will be useful,
    00013  * but WITHOUT ANY WARRANTY; without even the implied warranty of
    00014  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    00015  * GNU General Public License for more details.
    00016  *
    00017  * You should have received a copy of the GNU General Public License
    00018  * along with GNU Radio; see the file COPYING.  If not, write to
    00019  * the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
    00020  * Boston, MA 02111-1307, USA.
    00021  */
    00022
    00023 #ifndef INCLUDED_GR_RANDOM_H
    00024 #define INCLUDED_GR_RANDOM_H
    00025
    00026 #include <gr_complex.h>
    00027
    00031 class gr_random {
    00032 protected:
    00033   static const int NTAB  = 32;
    00034   long  d_seed;
    00035   long  d_iy;
    00036   long  d_iv[NTAB];
    00037   int   d_iset;
    00038   float d_gset;
    00039
    00040
    00041 public:
    00042   gr_random (long seed=3021);
    00043
    00044   void reseed (long seed);
    00045
    00049   float ran1 ();
    00050
    00054   float gasdev ();
    00055
    00056   float laplacian ();
    00057   float impulse (float factor);
    00058   float rayleigh ();
    00059   gr_complex rayleigh_complex ();
    00060 };
    00061
    00062 #endif /* INCLUDED_GR_RANDOM_H */
    00063